Enrollment
601
Idaho · 2024-25 NCES data
Elementary school (grades K-5) · Twin Falls, ID
Rock Creek Elementary
Federal NCES profile for Rock Creek Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 22/100.
2024-25 NCES dataElementary school (grades K-5)NCES 160324001076
👥 S:T ratio 35
🌟 Gifted program 30
🎓 Counselors 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Rock Creek Elementary earns 22/100 on the Resource Investment Index, with class sizes near the Idaho median.
- #17 of 21
- public schools in Twin Falls · Resource Index
- 22
- Resource Index · Lower
- 16.2:1
- students per teacher
- 18.6%
- free-lunch eligible
Rock Creek Elementary has class sizes near the Idaho median. Computed live against every Idaho school reporting to NCES.
By Resource Investment Index, Rock Creek Elementary ranks #17 of 21 public schools in Twin Falls, ID.
School address
District: Twin Falls District · Idaho
NCES ID 160324001076 Verify on NCES CCD record →
Teachers (FTE)
37.0
Federal CCD staff survey
Students per teacher
16.2:1
vs 17.1:1 Idaho avg
-5% vs state
Free-lunch eligible
18.6%
vs 29.3% Idaho avg
-37% vs state
Student-teacher ratio in context
How Rock Creek Elementary compares with Idaho and U.S. medians
What stands out at Rock Creek Elementary
Rock Creek Elementary is a lower-poverty, mid-sized elementary school in Twin Falls, Idaho, enrolling 601 students.
At 16.2:1, its student-teacher ratio sits close to the Idaho median, within a few percentage points of the 17.1:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat below the state's typical profile, with 18.6% of students eligible for free meals.
Enrollment of 601 puts it in the larger third of Idaho schools by headcount.
Its Resource Investment Index trails 91% of the 775 Idaho schools with a score on record, one of the lower results on this measure.
Among 184 similarly sized, similarly resourced-need Idaho schools statewide, it ranks #166, in the lower tier once campus size and economic need are matched.
Its student body is led by White (71%) and Hispanic or Latino (19%) (diversity index 46/100).
Counselor access is stretched at roughly 601 students per counselor, well above the ASCA-recommended 250:1 ceiling.
The surrounding Twin Falls District spends $8,807 per pupil, 26% below the Idaho average, a leaner-resourced district than most.
Its district draws 20.8% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Twin Falls District also operates Canyon Ridge High School (1,445 students) and Twin Falls High School (1,381 students) alongside Rock Creek Elementary.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Rock Creek Elementary compares
Rock Creek Elementary on the metrics families compare, against Idaho and U.S. means.
| Metric | This school | vs Idaho | Idaho avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.2:1 | ▼ 5% | 17.1:1 | 15.7:1 |
| Free-lunch eligible | 18.6% | ▼ 37% | 29.3% | 51.7% |
| Enrollment | 601 | top 16% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.2:1
Leaner classes than 36% of US schools, a middle-of-the-pack class size.
601
Bigger than 73% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
18.6%
free-lunch eligible
- 37% below the Idaho average of 29.3%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
16.2:1
students per teacher
- 5% below state mean
Top 45% in Idaho - lower ratio than 55% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Funding equity
$8,807
per pupil, district-wide
- below Idaho avg of $11,939
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 601 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 1 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.2 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 70.5%
Hispanic or Latino 19.0%
Two or More 4.8%
African American 3.3%
Asian 2.3%
Largest group: White at 70.5% of enrollment.
Student-body diversity index 46.3/100
Simpson diversity index - at 46.3, Rock Creek Elementary is more mixed than the Idaho school average of 36.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Twin Falls District, which includes Rock Creek Elementary.
$8,807
Per student
-26%
vs Idaho
Avg $11,939
-47%
vs U.S.
Avg $16,593
Revenue mix
Local 19.4%
State 59.8%
Federal 20.8%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Rock Creek Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Canyon Ridge High School | Larger | Similar economic need | Higher S:T ratio |
| Twin Falls High School | Larger | Similar economic need | Higher S:T ratio |
| Vera C O'leary Middle School | Larger | Similar economic need | Higher S:T ratio |
| Robert Stuart Middle School | Similar size | Similar economic need | Higher S:T ratio |
| Pillar Falls Elementary | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Rock Creek Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,445
- Students per teacher
- 20.4:1
- Resource Index
- 30/100
- Enrollment
- 1,381
- Students per teacher
- 22.3:1
- Resource Index
- 24/100
- Enrollment
- 758
- Students per teacher
- 21.1:1
- Resource Index
- 23/100
- Enrollment
- 690
- Students per teacher
- 18.2:1
- Resource Index
- 43/100
- Enrollment
- 582
- Students per teacher
- 17.6:1
- Resource Index
- 20/100
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Idaho, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~601 students)
Next steps
Verify locally before acting on Rock Creek Elementary's federal record.
- Compare Rock Creek Elementary against another school. Compare schools
- Twin Falls District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Rock Creek Elementary
How many students attend Rock Creek Elementary?
Rock Creek Elementary has 601 students enrolled. It is an elementary school in Twin Falls, ID.
What is the student-teacher ratio at Rock Creek Elementary?
The student-teacher ratio at Rock Creek Elementary is 16.2:1, which is 5% lower than the Idaho average of 17.1:1 and 3% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Rock Creek Elementary?
18.6% of students at Rock Creek Elementary are eligible for free lunch, compared to the Idaho average of 29.3%.
What is the racial and ethnic makeup of Rock Creek Elementary?
The largest demographic group at Rock Creek Elementary is White at 70.5% of enrollment, in Twin Falls, ID.
What is the Resource Investment Index for Rock Creek Elementary?
Rock Creek Elementary has a Resource Investment Index of 22/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Rock Creek Elementary rank among public schools in Twin Falls?
By Resource Investment Index, Rock Creek Elementary ranks #17 of 21 public schools in Twin Falls, ID. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Twin Falls on the city page.
Is Rock Creek Elementary a good school?
Rock Creek Elementary earns 22/100 on the Resource Investment Index, with class sizes near the Idaho median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Twin Falls District?
Besides Rock Creek Elementary, Twin Falls District also operates Canyon Ridge High School (1,445 students), Twin Falls High School (1,381 students), and Vera C O'leary Middle School (758 students). See the Twin Falls District district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.